Foundation
Plumbing Systems
Hose - Fittings - Couplers - Valves - Manifolds - Protection
Build reliable fluid and pressure plumbing with the right hose type, hose ends, bulkhead routing, couplers, valves, manifolds, protection, and service tools. This page is organized around shared plumbing infrastructure so fuel, oil, coolant, vacuum, and boost systems are easier to build, route, and maintain.
11+ grouped sections to shop fasterWater Meth style layout across this categoryStreet, service, upgrade, and custom shopping support
11+ Main Sections
Main Sections
Hose - Fittings - Couplers - Valves - Manifolds - Protection
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Featured Sections
Quick access to the parts families shoppers usually want first.
Must-Have
AN Fittings & Hose Ends
Routing
Bulkhead / Pass-Through Fittings
Seal & Retain
Couplers / Clamps / Retention
Browse By Build Type
Using the Water Meth layout as the shared category shell.
Core Plumbing
Fuel, Oil & Coolant Plumbing
Core line routing parts for the systems that must stay leak-free and serviceable under heat and vibration.
Pressure Control
Boost, Vacuum & Reference Lines
Smaller hose, fittings, and manifold parts for turbo, wastegate, regulator, and sensor reference plumbing.
Fabrication
Custom Fabrication Routing
Bulkhead fittings, unions, adapters, clamps, and hardware for clean custom engine bay and chassis routing.
Support
Service, Testing & Repair
Leak test tools, replacement lines, replacement fittings, and universal install parts that keep systems working.
Quick Ways To Shop
Shortcuts for shoppers who know the problem or system they need.
Quick Search
Build The Plumbing Correctly First
Start with the right hose type, hose ends, and routing fittings before buying cosmetic extras.
Quick Search
Clean Firewall & Panel Pass-Throughs
Use bulkhead fittings, grommets, and mounting hardware so lines are protected and serviceable.
Quick Search
Fix Reference & Distribution Plumbing
Shop manifolds, tees, check valves, and regulators for stable boost, vacuum, and pressure control.
Quick Search
Find Leaks & Refresh Worn Parts
Use test kits, replacement fittings, and replacement clamps to diagnose and repair plumbing properly.
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Grouped the same way as Water Meth so the catalog feels consistent across categories.
Showing 11 of 11 sections
Core Plumbing
Shop Core Plumbing sections without bouncing across unrelated Plumbing Systems systems.
Core PlumbingFoundation
Hose Types
Start with the right hose material for the pressure, heat, fluid compatibility, and routing path your build demands.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Core PlumbingMust-Have
AN Fittings & Hose Ends
The core connection hardware for custom plumbing. Match hose size, fitting angle, and thread standard correctly.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Core PlumbingRouting
Bulkhead / Pass-Through Fittings
Route lines through firewalls, panels, and partitions cleanly while protecting lines and improving serviceability.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Core PlumbingLayout
Adapters / Tees / Ys / Unions
The detail fittings that make custom plumbing layouts possible when systems need to branch, reduce, or change direction.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Connection Hardware
Shop Connection Hardware sections without bouncing across unrelated Plumbing Systems systems.
Connection HardwareSeal & Retain
Couplers / Clamps / Retention
Keep hoses joined, sealed, and retained under boost, heat, and vibration.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Flow Control
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Flow ControlDistribution
Distribution / Manifolds / Blocks
Centralize plumbing feeds and references for cleaner routing and easier diagnosis.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Flow ControlControl
Valves / Check Valves / Regulators
Control direction, shutoff, restriction, and line pressure where system behavior must stay predictable.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Support & Service
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Support & ServiceProtection
Line Protection / Management
Protect lines from abrasion, heat, and movement while keeping routing organized and service-friendly.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Support & ServiceService
Testing / Service / Repair
Diagnose leaks and refresh worn plumbing before minor issues become major failures.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Support & ServiceInstall
Universal Install Parts
The small install hardware that keeps plumbing safe, clean, and durable through the chassis and engine bay.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
Support & ServiceSystem Support
Plumbing Systems Miscellaneous
Catch-all support for shared plumbing infrastructure across boost, vacuum, fuel, oil, and coolant routing.
Best for fuel, oil, coolant, vacuum, boost, and general line routing where reliability, serviceability, and leak-free sealing matter.
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